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A server requires a GRUB2 boot option which will always boot to runlevel 1. Which line of a GRUB2 configuration file starts the beginning of the settings needed to make this new choice available?
A server requires a GRUB2 boot option which will always boot to runlevel 1. Which line of a GRUB2 configuration file starts the beginning of the settings needed to make this new choice available?A . initrdB . linuxC . menuentryD . runlevelView AnswerAnswer: B
Which command is used to unload a single module currently loaded by the kernel without unloading any modules that it depends upon? (Specify the command with or without path information)
Which command is used to unload a single module currently loaded by the kernel without unloading any modules that it depends upon? (Specify the command with or without path information)View AnswerAnswer: rmmod, /sbin/rmmod
In case the file containing the Linux kernel is lost, what happens when the system is booting?
In case the file containing the Linux kernel is lost, what happens when the system is booting?A . The system starts normally since the bootloader copies the kernel to the master boot record of the hard disk.B . Instead of the kernel, the initramfs is loaded and instructed to mount...
How can the kernel parameter for the maximum size of the shared memory segment (shmmax) be changed to 2GB (2147483648 Bytes) on a running system? (Choose TWO correct answers.)
How can the kernel parameter for the maximum size of the shared memory segment (shmmax) be changed to 2GB (2147483648 Bytes) on a running system? (Choose TWO correct answers.)A . Edit /etc/shmmax and set the parameter to 2147483648.B . sysctl shmmax=2147483648C . sysctl kernel.shmmax=2147483648D . echo 2147483648 > /proc/sys/kernel/shmmaxE ....
In capacity planning exercises, which tools assist in listing and identifying processes of interest? (Choose TWO correct answers.)
In capacity planning exercises, which tools assist in listing and identifying processes of interest? (Choose TWO correct answers.)A . acpidB . lsofC . pstreeD . telinitView AnswerAnswer: B, C
Which of the following tools are used to measure memory usage? (Choose THREE correct answers.)
Which of the following tools are used to measure memory usage? (Choose THREE correct answers.)A . mpstatB . pstreeC . sarD . topE . vmstatView AnswerAnswer: C, D, E
Which commands are used to load modules into the Linux kernel? (Choose TWO correct answers.)
Which commands are used to load modules into the Linux kernel? (Choose TWO correct answers.)A . insmodB . loadmodC . kernloadD . modprobeE . probemodView AnswerAnswer: A, D
Which commands below are useful to collect data about remote filesystem connections? (Choose TWO correct answers.)
Which commands below are useful to collect data about remote filesystem connections? (Choose TWO correct answers.)A . pidstatB . nfsiostatC . sadfD . cifsiostatView AnswerAnswer: B, D
According to the Filesystem Hierarchy Standard (FHS), what is the path to the Linux kernel source and may be a symbolic link to the real Linux source code? (Please specify the full path with no version information.)
According to the Filesystem Hierarchy Standard (FHS), what is the path to the Linux kernel source and may be a symbolic link to the real Linux source code? (Please specify the full path with no version information.)View AnswerAnswer: /usr/src/linux, /usr/src/linux/
A system with SysV-init has a service installed called apache2. Which file controls the start and stop of this service and is referenced by the various runlevel directories?
A system with SysV-init has a service installed called apache2. Which file controls the start and stop of this service and is referenced by the various runlevel directories?A . /etc/init.d/apache2B . /etc/rc2.d/70apache2C . /etc/rc2.d/apache2D . /etc/rc2.d/apache2.startView AnswerAnswer: A
